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Water system · PWSID OH5702512

UNION CITY PWS

UNION, OH · ~7,000 people served

Check your exact address → UNION overview
87
Excellent
PurityRadar safety score

PWSID

OH5702512

State

Ohio

City

UNION

Population served

7,000

Primary source

Groundwater

Score history

▼ 13 points — the score moved from 100 to 87 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 87

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Aug 2025). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

4.8 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFBS

7.7 ppt

limit —

No federal limit

PFHxA

6.3 ppt

limit —

No federal limit

PFPeA

5.4 ppt

limit —

No federal limit

PFHpA

3.4 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

1

Unaddressed

2

Health-based

12

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2020. Official EPA record →

Other · EPA contaminant 7000 began Jan 2020 Unaddressed
Monitoring & reporting · Nitrate began Jan 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1993 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1993 Resolved
Monitoring & reporting · Fluoride began Oct 1986 Resolved
Monitoring & reporting · Selenium began Oct 1986 Resolved
Monitoring & reporting · Nitrate began Oct 1986 Resolved
Monitoring & reporting · Antimony began Oct 1986 Resolved
Monitoring & reporting · Barium began Oct 1986 Resolved
Monitoring & reporting · Cadmium began Oct 1986 Resolved
Monitoring & reporting · Chromium (total) began Oct 1986 Resolved

Recent enforcement actions

  • State action · SIA Jan 2020
  • State action · SOX Aug 2017
  • State action · SIF Jun 2017
  • State action · SIA Nov 2016
  • State action · SIE Nov 2016
  • State action · SOX Apr 2007
  • State action · SIF Aug 1993
  • State action · SIA Aug 1993

This profile is built from EPA public records for system OH5702512 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.